#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()

{

	int arr1[] = { 1,3,5,7,9 };

	int arr2[] = { 2,4,6,8,10 };

	int sz = sizeof(arr1) / sizeof(arr1[0]);

	int i = 0;

	for (i = 0; i < sz; i++)

	{

		int tmp = arr1[i];

		arr1[i] = arr2[i];

		arr2[i] = tmp;

	}

	return 0;

}